Exposure
ID
MATIS.2025-01-31T00:56:00.855_1
Header ID
MATIS.2025-01-31T00:56:00.855
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-31 01:05:34 UTC+0000
UTC Start
2025-01-31 00:56:00.855
UTC End
2025-01-31 00:57:00.915
MJD Start
60706.03889879
MJD End
60706.03959392889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0072759999999999995
Ambient temperature (°C)
16.51
Seeing (arcsec)
0.73
Observation
ID
63559
Category
science
Program ID
114.273K.001
Program Title
FIRST APERTURE-SYNTHESIS IMAGING OF A CIRCUMSTELLAR ENVELOPE OF CEPHEID WITH VLTI/MATISSE
Program Type
Normal
PI / COI
HOCDÉ / MATTER / GALLENNE / NARDETTO / KERVELLA / PIETRZYNSKI / NARLOCH / WIELGORSKI / HAJDU / GIEREN / KAMINSKI / BAILLEUL / BRAS / AFANASIEV / MÉRAND
Target
ID
47357
Name
l_Car
RA
146.309115
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 12.8620 12.9060 79.4000 79.7000
A0-D0 31.5330 31.5350 9.2000 9.5000
A0-C1 15.6440 15.6650 40.2550 40.5720
B2-D0 29.7530 29.7620 345.2000 345.4000
B2-C1 9.9080 9.9110 345.1870 345.3490
D0-C1 19.8460 19.8510 165.2280 165.3900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.273K.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60706.03889879
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.309115
DEC -62.50784
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 12.862
HIERARCH ESO ISS PBL12 END 12.906
HIERARCH ESO ISS PBLA12 START 79.4
HIERARCH ESO ISS PBLA12 END 79.7
HIERARCH ESO ISS PBL13 START 31.533
HIERARCH ESO ISS PBL13 END 31.535
HIERARCH ESO ISS PBLA13 START 9.2
HIERARCH ESO ISS PBLA13 END 9.5
HIERARCH ESO ISS PBL14 START 15.644
HIERARCH ESO ISS PBL14 END 15.665
HIERARCH ESO ISS PBLA14 START 40.255
HIERARCH ESO ISS PBLA14 END 40.572
HIERARCH ESO ISS PBL23 START 29.753
HIERARCH ESO ISS PBL23 END 29.762
HIERARCH ESO ISS PBLA23 START 345.2
HIERARCH ESO ISS PBLA23 END 345.4
HIERARCH ESO ISS PBL24 START 9.908
HIERARCH ESO ISS PBL24 END 9.911
HIERARCH ESO ISS PBLA24 START 345.187
HIERARCH ESO ISS PBLA24 END 345.349
HIERARCH ESO ISS PBL34 START 19.846
HIERARCH ESO ISS PBL34 END 19.851
HIERARCH ESO ISS PBLA34 START 165.228
HIERARCH ESO ISS PBLA34 END 165.39
HIERARCH ESO ISS AMBI TAU0 START 0.007476
HIERARCH ESO ISS AMBI TAU0 END 0.007076
HIERARCH ESO ISS AMBI TEMP 16.51
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.77